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  • Q390E PLATE
  • Q390E STEEL

Q390E

  • Steel Standard: GB/T1591
  • Rolling Type: High strength low alloy structural steels
  • Thickness: 6mm-500mm
  • Width: 1500mm-4200mm
  • Length: 3000mm-18000mm
  • Heat Treatment: As rolled/Control-rolled/Normalised
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■ Overview
Q390E,Q390E CARBON PLATE,Q390E STEEL PLATE owned minimum tensile strength at 490 Mpa and minimum yield strength at 390 Mpa for thickness equal or belows 16 millimeters.When supplying steel plate Q390E,the impact test shall be done at minus 40 centigrade.
■ Full Data
Technical Requirements & Additional Services for Q390E STEEL PLATE:
♦ Low temperature impacting test
♦ Cutting and welding as per end user’s demands
♦ More striction on some chemical elements contains
♦ Issued Orginal Mill test certificate under EN 10204 FORMAT 3.1/3.2
♦ Ultrasonic test under GB/T2970,JB4730,EN 10160,ASTM A435,A577,A578 
■ Techicals

Mechnical property for Q390E low alloy structural steel:

Thickness (mm)
Q390E ≤ 16 > 16 ≤ 35 > 35 ≤ 50 >50
Yield strength (≥Mpa) 390 370 350 330
Tensile strength (Mpa) 490-650

Chemical composition for Q390E low alloy structural steel (Heat Analysis Max%)

Main chemical elements composition of Q390E
C Si Mn P S V Nb Ti Al (min.) Cr Ni
0.20 0.55 1.00-1.60 0.025 0.025 0.02-0.20 0.015-0.060 0.02-0.20 0.015 0.30 0.70

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